162728297 has 8 divisors (see below), whose sum is σ = 169245120. Its totient is φ = 156335760.

The previous prime is 162728239. The next prime is 162728299. The reversal of 162728297 is 792827261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162728297 - 2¹² = 162724201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162728299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28397 + ... + 33642.

It is an arithmetic number, because the mean of its divisors is an integer number (21155640).

Almost surely, 2^162728297 is an apocalyptic number.

It is an amenable number.

162728297 is a deficient number, since it is larger than the sum of its proper divisors (6516823).

162728297 is an equidigital number, since it uses as much as digits as its factorization.

162728297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62143.

The product of its digits is 169344, while the sum is 44.

The square root of 162728297 is about 12756.5001861796. The cubic root of 162728297 is about 545.9518724323.

The spelling of 162728297 in words is "one hundred sixty-two million, seven hundred twenty-eight thousand, two hundred ninety-seven".